Home / 2,989,936.80-4,484,905.20-2,972,222.10

Finding the Fourth Proportional to 2,989,936.80, 4,484,905.20 and 2,972,222.10

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Solution

The fourth proportional to 2,989,936.80, 4,484,905.20 and 2,972,222.10 is: 4,458,333.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,936.80 : 4,484,905.20 = 2,972,222.10 : x
  2. Step 2: Convert to fraction form
    2,989,936.80/4,484,905.20 = 2,972,222.10/x
  3. Step 3: Cross multiply
    2,989,936.80x = 4,484,905.20 × 2,972,222.10
  4. Step 4: Simplify right side
    2,989,936.80x = 13,330,134,351,844.92
  5. Step 5: Solve for x
    x = 13,330,134,351,844.92/2,989,936.80
  6. Step 6: Final answer
    x = 4,458,333.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.